420121141 has 16 divisors (see below), whose sum is σ = 484208640. Its totient is φ = 360497520.

The previous prime is 420121087. The next prime is 420121157. The reversal of 420121141 is 141121024.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 420121141 - 2¹⁷ = 419990069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420121171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55596 + ... + 62698.

It is an arithmetic number, because the mean of its divisors is an integer number (30263040).

Almost surely, 2^420121141 is an apocalyptic number.

It is an amenable number.

420121141 is a deficient number, since it is larger than the sum of its proper divisors (64087499).

420121141 is a wasteful number, since it uses less digits than its factorization.

420121141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7416.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 420121141 is about 20496.8568566012. The cubic root of 420121141 is about 748.9592325537.

Adding to 420121141 its reverse (141121024), we get a palindrome (561242165).

The spelling of 420121141 in words is "four hundred twenty million, one hundred twenty-one thousand, one hundred forty-one".